3. O
VERVIEW
The FFD is a non-volatile mass memory storage unit equipped with a SCSI interface, and
containing the following subassemblies:
•
CPU
•
SCSI interface controller
•
Flash memory array
The FFD dimensions enabling mounting in a standard 3.5” disk drive enclosure. Figure 1
illustrates the FFD block diagram.
Figure 1: FFD 3.5” Ultra320 SCSI Block Diagram
The FFD interface complies with the SCSI-2 and SCSI-3, and supports the Common Command
Set (CCS). Refer to Section 5, Table 13 for a list of supported SCSI commands.
The FFD supports both Single-Ended (SE) and Low Voltage Differential (LVD) electrical
interfaces, with 80-pin connector. Refer to Section 4.1.10.3 for specific connector interface
details.
7
Product Specification and User Manual FFD 3.5" Ultra320 SCSI
43-PS-0305-00 Rev. 2.0